Cooler



FIG. 1 is a perspective view of a cooler showing my new design.

FIG. 2 is a front side view thereof, the rear side view being a mirror image thereof.

FIG. 3 is a left side view thereof, the right side view being a mirror image thereof.

FIG. 4 is top view thereof; and,

FIG. 5 is a bottom view thereof. 

CLAIM The ornamental design for a cooler, as shown and described. 